275551229 has 2 divisors, whose sum is σ = 275551230. Its totient is φ = 275551228.

The previous prime is 275551223. The next prime is 275551253. The reversal of 275551229 is 922155572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 272184004 + 3367225 = 16498^2 + 1835^2 .

It is a cyclic number.

It is not a de Polignac number, because 275551229 - 2¹² = 275547133 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 275551192 and 275551201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275551223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137775614 + 137775615.

It is an arithmetic number, because the mean of its divisors is an integer number (137775615).

Almost surely, 2^275551229 is an apocalyptic number.

It is an amenable number.

275551229 is a deficient number, since it is larger than the sum of its proper divisors (1).

275551229 is an equidigital number, since it uses as much as digits as its factorization.

275551229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63000, while the sum is 38.

The square root of 275551229 is about 16599.7358111507. The cubic root of 275551229 is about 650.7299326610.

The spelling of 275551229 in words is "two hundred seventy-five million, five hundred fifty-one thousand, two hundred twenty-nine".